6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package org.graalvm.compiler.hotspot.test; 25 26 import org.junit.Assert; 27 28 import org.graalvm.compiler.bytecode.Bytecode; 29 import org.graalvm.compiler.bytecode.BytecodeStream; 30 import org.graalvm.compiler.bytecode.ResolvedJavaMethodBytecode; 31 import org.graalvm.compiler.core.target.Backend; 32 import org.graalvm.compiler.core.test.GraalCompilerTest; 33 import org.graalvm.compiler.debug.GraalError; 34 import org.graalvm.compiler.hotspot.CompilationTask; 35 import org.graalvm.compiler.hotspot.HotSpotGraalCompiler; 36 import org.graalvm.compiler.java.BciBlockMapping; 37 import org.graalvm.compiler.java.BciBlockMapping.BciBlock; 38 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; 39 40 import jdk.vm.ci.code.Architecture; 41 import jdk.vm.ci.hotspot.HotSpotCompilationRequest; 42 import jdk.vm.ci.hotspot.HotSpotCompilationRequestResult; 43 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime; 44 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider; 45 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 46 import jdk.vm.ci.meta.ResolvedJavaMethod; 47 48 public abstract class GraalOSRTestBase extends GraalCompilerTest { 49 50 protected void testOSR(String methodName) { 51 ResolvedJavaMethod method = getResolvedJavaMethod(methodName); 52 testOSR(method); 53 } 54 55 protected void testOSR(ResolvedJavaMethod method) { 56 // invalidate any existing compiled code 57 method.reprofile(); 58 compileOSR(method); 59 Result result = executeExpected(method, null); 60 checkResult(result); 61 } 62 63 private static void compile(ResolvedJavaMethod method, int bci) { 64 HotSpotJVMCIRuntimeProvider runtime = HotSpotJVMCIRuntime.runtime(); 65 long jvmciEnv = 0L; 66 HotSpotCompilationRequest request = new HotSpotCompilationRequest((HotSpotResolvedJavaMethod) method, bci, jvmciEnv); 67 HotSpotGraalCompiler compiler = (HotSpotGraalCompiler) runtime.getCompiler(); 68 CompilationTask task = new CompilationTask(runtime, compiler, request, true, true); 69 HotSpotCompilationRequestResult result = task.runCompilation(); 70 if (result.getFailure() != null) { 71 throw new GraalError(result.getFailureMessage()); 72 } 73 } 74 75 /** 76 * Returns the target BCI of the first bytecode backedge. This is where HotSpot triggers 77 * on-stack-replacement in case the backedge counter overflows. 78 */ 79 private static int getBackedgeBCI(ResolvedJavaMethod method) { 80 Bytecode code = new ResolvedJavaMethodBytecode(method); 81 BytecodeStream stream = new BytecodeStream(code.getCode()); 82 BciBlockMapping bciBlockMapping = BciBlockMapping.create(stream, code); 83 assert bciBlockMapping.getLoopCount() == 1 : "Expected exactly one loop " + method; 84 85 for (BciBlock block : bciBlockMapping.getBlocks()) { 86 int bci = block.startBci; 87 for (BciBlock succ : block.getSuccessors()) { 88 int succBci = succ.startBci; 89 if (succBci < bci) { 90 // back edge 91 return succBci; 92 } 93 } 94 } 95 return -1; 96 } 97 98 private static void checkResult(Result result) { 99 Assert.assertNull("Unexpected exception", result.exception); 100 Assert.assertNotNull(result.returnValue); 101 Assert.assertTrue(result.returnValue instanceof ReturnValue); 102 Assert.assertEquals(ReturnValue.SUCCESS, result.returnValue); 103 } 104 105 private void compileOSR(ResolvedJavaMethod method) { 106 int bci = getBackedgeBCI(method); 107 assert bci != -1; 108 // ensure eager resolving 109 parseEager(method, AllowAssumptions.YES); 110 compile(method, bci); 111 } 112 113 protected enum ReturnValue { 114 SUCCESS, 115 FAILURE 116 } 117 118 public GraalOSRTestBase() { 119 super(); 120 } 121 122 public GraalOSRTestBase(Class<? extends Architecture> arch) { 123 super(arch); 124 } 125 126 public GraalOSRTestBase(Backend backend) { 127 super(backend); 128 } 129 130 } | 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package org.graalvm.compiler.hotspot.test; 25 26 import java.util.Arrays; 27 28 import org.graalvm.compiler.bytecode.Bytecode; 29 import org.graalvm.compiler.bytecode.BytecodeDisassembler; 30 import org.graalvm.compiler.bytecode.BytecodeStream; 31 import org.graalvm.compiler.bytecode.ResolvedJavaMethodBytecode; 32 import org.graalvm.compiler.core.target.Backend; 33 import org.graalvm.compiler.core.test.GraalCompilerTest; 34 import org.graalvm.compiler.debug.GraalError; 35 import org.graalvm.compiler.debug.TTY; 36 import org.graalvm.compiler.hotspot.CompilationTask; 37 import org.graalvm.compiler.hotspot.HotSpotGraalCompiler; 38 import org.graalvm.compiler.java.BciBlockMapping; 39 import org.graalvm.compiler.java.BciBlockMapping.BciBlock; 40 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; 41 import org.graalvm.compiler.options.OptionValues; 42 import org.junit.Assert; 43 44 import jdk.vm.ci.code.Architecture; 45 import jdk.vm.ci.hotspot.HotSpotCompilationRequest; 46 import jdk.vm.ci.hotspot.HotSpotCompilationRequestResult; 47 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime; 48 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider; 49 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 50 import jdk.vm.ci.meta.ResolvedJavaMethod; 51 52 public abstract class GraalOSRTestBase extends GraalCompilerTest { 53 54 protected void testOSR(OptionValues options, String methodName) { 55 testOSR(options, methodName, null); 56 } 57 58 protected void testOSR(OptionValues options, String methodName, Object receiver, Object... args) { 59 ResolvedJavaMethod method = getResolvedJavaMethod(methodName); 60 testOSR(options, method, receiver, args); 61 } 62 63 protected void testOSR(OptionValues options, ResolvedJavaMethod method, Object receiver, Object... args) { 64 // invalidate any existing compiled code 65 method.reprofile(); 66 compileOSR(options, method); 67 Result result = executeExpected(method, receiver, args); 68 checkResult(result); 69 } 70 71 protected static void compile(OptionValues options, ResolvedJavaMethod method, int bci) { 72 HotSpotJVMCIRuntimeProvider runtime = HotSpotJVMCIRuntime.runtime(); 73 long jvmciEnv = 0L; 74 HotSpotCompilationRequest request = new HotSpotCompilationRequest((HotSpotResolvedJavaMethod) method, bci, jvmciEnv); 75 HotSpotGraalCompiler compiler = (HotSpotGraalCompiler) runtime.getCompiler(); 76 CompilationTask task = new CompilationTask(runtime, compiler, request, true, true, options); 77 HotSpotCompilationRequestResult result = task.runCompilation(); 78 if (result.getFailure() != null) { 79 throw new GraalError(result.getFailureMessage()); 80 } 81 } 82 83 /** 84 * Returns the target BCI of the first bytecode backedge. This is where HotSpot triggers 85 * on-stack-replacement in case the backedge counter overflows. 86 */ 87 private static int getBackedgeBCI(ResolvedJavaMethod method) { 88 Bytecode code = new ResolvedJavaMethodBytecode(method); 89 BytecodeStream stream = new BytecodeStream(code.getCode()); 90 BciBlockMapping bciBlockMapping = BciBlockMapping.create(stream, code, getInitialOptions()); 91 92 for (BciBlock block : bciBlockMapping.getBlocks()) { 93 if (block.startBci != -1) { 94 int bci = block.startBci; 95 for (BciBlock succ : block.getSuccessors()) { 96 if (succ.startBci != -1) { 97 int succBci = succ.startBci; 98 if (succBci < bci) { 99 // back edge 100 return succBci; 101 } 102 } 103 } 104 } 105 } 106 TTY.println("Cannot find loop back edge with bytecode loops at:%s", Arrays.toString(bciBlockMapping.getLoopHeaders())); 107 TTY.println(new BytecodeDisassembler().disassemble(code)); 108 return -1; 109 } 110 111 private static void checkResult(Result result) { 112 Assert.assertNull("Unexpected exception", result.exception); 113 Assert.assertNotNull(result.returnValue); 114 Assert.assertTrue(result.returnValue instanceof ReturnValue); 115 Assert.assertEquals(ReturnValue.SUCCESS, result.returnValue); 116 } 117 118 private void compileOSR(OptionValues options, ResolvedJavaMethod method) { 119 // ensure eager resolving 120 parseEager(method, AllowAssumptions.YES, options); 121 int bci = getBackedgeBCI(method); 122 assert bci != -1; 123 // ensure eager resolving 124 parseEager(method, AllowAssumptions.YES, options); 125 compile(options, method, bci); 126 } 127 128 protected enum ReturnValue { 129 SUCCESS, 130 FAILURE, 131 SIDE 132 } 133 134 public GraalOSRTestBase() { 135 super(); 136 } 137 138 public GraalOSRTestBase(Class<? extends Architecture> arch) { 139 super(arch); 140 } 141 142 public GraalOSRTestBase(Backend backend) { 143 super(backend); 144 } 145 146 } |